Creating an SQL trigger in SQL 2005 server

I have a table in SQL server 2005. I would like to have the following scenario:
Whenever a new row is inserted into this table I would like to update another existing table. One column of this table is to be updated with the value inserted into one of the original table's columns.

Example:
Table in which rows are inserted:

Status Table:
-----------------
ID
Status

Existing table to update:

Customers Table:
---------------------
ID
Name
LastName
Status

When a new row is added into the Status table (signalling status change), I would like the matching record's Status field in the Customer table to take on the value inserted in the Status table.

I would appreciate if you could post an appropriate T-SQL statement to enter into the trigger definition.

Using examples as well as descriptions, and references to Books Online, show the documentation available for datatypes, explain the available data types and show how data can be passed into and out of variables.